Frida Carola Johanetta Kindler (1879 – 26 January 1964) was a Dutch concert pianist and teacher active in the UK, a pupil of Busoni and later the wife of composer Bernard van Dieren.
Busoni dedicated his 1908 piano piece Nuit de Noël to Kindler.
[4] In 1909 Frida relocated permanently to England with Bernard van Dieren, a composer ten years her junior, whom she married on 1 January 1910.
[9] On the evening of Tuesday 16 December 1930 Frida and Bernard van Dieren met Peter Warlock at the Duke of Wellington pub near Sloane Square, then went back to his basement flat at 30 Tite Street, where they stayed until after midnight.
[10] Frida continued teaching, and resumed performing after van Dieren's death in 1936.